用游戏把子上下左右控制蛇的方向，寻找吃的东西，每吃一口就能得到一定的积分，而且蛇的身子会越吃越长，身子越长玩的难度就越大，不能碰墙，不能咬到自己的身体，更不能咬自己的尾巴，等到了一定的分数，就能过关，然后继续玩下一关。-Game control with the handle up and down direction of the snake, looking for something to eat every bite will be able to get some points, and that will sharpen the snake' s body length, body longer play the harder it is, can not touch the wall, you can not bite their own bodies, not biting its own tail, until a certain amount of points, you can cross the border, and then continue to play the next level.